The terms \(T_{i}\)  for \(i=1,2,3\)  have been estimated in [1]} in formula (3.33) for \(T_{1}\) , formulas (3.40), (3.41), (3.44) for \(T_{2}\)  and formula (3.47) for \(T_{3}\) . Let us write the overall result and refer to [1]} for the details.
